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Prerequisite only! Use this guide to disconnect the battery of your Samsung Galaxy A51.

  1. Insert a SIM card eject tool, a SIM eject bit or a straightened paper clip into the hole on the SIM tray located at the left side of the phone. Press firmly to eject the tray. Remove the SIM card tray.
    • Insert a SIM card eject tool, a SIM eject bit or a straightened paper clip into the hole on the SIM tray located at the left side of the phone.

    • Press firmly to eject the tray.

    • Remove the SIM card tray.

    • When reinserting the cards, make sure to properly orient them in the tray.

  2. Before beginning this procedure, completely power off your phone.
    • Before beginning this procedure, completely power off your phone.

    • Prepare an iOpener and apply it to the back cover to soften the adhesive.

    • The adhesive of the Samsung Galaxy A51 is very strong. You can use a hair dryer or a heat gun if you aren't able to open the device with the iOpener.

    • Be careful not to overheat the phone—the AMOLED display and internal battery are both susceptible to heat damage.

  3. Insert the tip of an opening pick between the frame and the back cover at the bottom of the phone near the USB-C port. If you can't get between the back cover and midframe with your opening pick, you can use a suction handle or strong tape to pull up the back cover to create a gap. Slide the opening pick to the bottom right corner and leave it there.
    • Insert the tip of an opening pick between the frame and the back cover at the bottom of the phone near the USB-C port.

    • If you can't get between the back cover and midframe with your opening pick, you can use a suction handle or strong tape to pull up the back cover to create a gap.

    • Slide the opening pick to the bottom right corner and leave it there.

  4. Insert a second opening pick and slide it  from the bottom right corner to the bottom left corner to cut the adhesive. Leave the opening picks in place to prevent the adhesive from resealing. Leave the opening picks in place to prevent the adhesive from resealing.
    • Insert a second opening pick and slide it from the bottom right corner to the bottom left corner to cut the adhesive.

    • Leave the opening picks in place to prevent the adhesive from resealing.

  5. Insert a third opening pick under the bottom left corner of the back cover. If you have any trouble, apply more heat to further soften the adhesive. Follow the iOpener instructions to avoid overheating. Slide the opening pick along the left edge of the phone.
    • Insert a third opening pick under the bottom left corner of the back cover.

    • If you have any trouble, apply more heat to further soften the adhesive. Follow the iOpener instructions to avoid overheating.

    • Slide the opening pick along the left edge of the phone.

    • Leave the opening pick in the top left corner to prevent the adhesive from resealing.

  6. Insert a fourth opening pick under the top left corner of the back cover near the camera. Slide the tip of the opening pick along the top edge of the phone to the right corner to cut the adhesive. Leave the opening pick in the top right corner to prevent the adhesive from resealing.
    • Insert a fourth opening pick under the top left corner of the back cover near the camera.

    • Slide the tip of the opening pick along the top edge of the phone to the right corner to cut the adhesive.

    • Leave the opening pick in the top right corner to prevent the adhesive from resealing.

  7. With opening picks in all four corners, insert a fifth and final opening pick under the top right corner of the back cover. Slide the tip of the opening pick along the right edge of the phone to the bottom right corner to cut the remaining adhesive. Slide the tip of the opening pick along the right edge of the phone to the bottom right corner to cut the remaining adhesive.
    • With opening picks in all four corners, insert a fifth and final opening pick under the top right corner of the back cover.

    • Slide the tip of the opening pick along the right edge of the phone to the bottom right corner to cut the remaining adhesive.

  8. Remove the back cover.
    • Remove the back cover.

    • After installing the back cover, apply strong, steady pressure to your phone for several minutes to help the adhesive form a good bond—a stack of heavy books works well.

  9. Remove the thirteen 3 mm Phillips #00 screws securing the midframe.
    • Remove the thirteen 3 mm Phillips #00 screws securing the midframe.

  10. The midframe is held in place by plastic clips. Insert an opening pick between the midframe and front panel assembly on the bottom of the phone near the charge port. Slide the opening pick to the left bottom corner to release the plastic clips.
    • The midframe is held in place by plastic clips.

    • Insert an opening pick between the midframe and front panel assembly on the bottom of the phone near the charge port.

    • Slide the opening pick to the left bottom corner to release the plastic clips.

    • Slide the opening pick to the bottom right corner to release the rest of the bottom plastic clips.

  11. Continue sliding the opening pick on the right side of your phone until all plastic clips on the right side are released. Continue sliding the opening pick on the right side of your phone until all plastic clips on the right side are released. Continue sliding the opening pick on the right side of your phone until all plastic clips on the right side are released.
    • Continue sliding the opening pick on the right side of your phone until all plastic clips on the right side are released.

  12. Slide the opening pick along the top edge to release the top plastic clips. Slide the opening pick along the top edge to release the top plastic clips. Slide the opening pick along the top edge to release the top plastic clips.
    • Slide the opening pick along the top edge to release the top plastic clips.

  13. Slide the opening pick from the top left corner to the bottom left corner to release the left side's plastic clips. Slide the opening pick from the top left corner to the bottom left corner to release the left side's plastic clips. Slide the opening pick from the top left corner to the bottom left corner to release the left side's plastic clips.
    • Slide the opening pick from the top left corner to the bottom left corner to release the left side's plastic clips.

  14. Remove the midframe.
    • Remove the midframe.

  15. Use the flat end of a spudger to disconnect the battery by prying the connector straight up from its socket. Use the flat end of a spudger to disconnect the battery by prying the connector straight up from its socket.
    • Use the flat end of a spudger to disconnect the battery by prying the connector straight up from its socket.

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To reassemble your device, follow these instructions in reverse order.

Adriana Zwink

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